18639684

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:282

約数の個数: 144

約数和(自身を含む): 60278400

約数和(自身を除く): 41638716

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 19, 21, 28, 34, 36, 38, 42, 51, 57, 63, 68, 76, 84, 102, 114, 119, 126, 133, 153, 171, 204, 228, 229, 238, 252, 266, 306, 323, 342, 357, 399, 458, 476, 532, 612, 646, 684, 687, 714, 798, 916, 969, 1071, 1197, 1292, 1374, 1428, 1596, 1603, 1938, 2061, 2142, 2261, 2394, 2748, 2907, 3206, 3876, 3893, 4122, 4284, 4351, 4522, 4788, 4809, 5814, 6412, 6783, 7786, 8244, 8702, 9044, 9618, 11628, 11679, 13053, 13566, 14427, 15572, 17404, 19236, 20349, 23358, 26106, 27132, 27251, 28854, 30457, 35037, 39159, 40698, 46716, 52212, 54502, 57708, 60914, 70074, 73967, 78318, 81396, 81753, 91371, 109004, 121828, 140148, 147934, 156636, 163506, 182742, 221901, 245259, 274113, 295868, 327012, 365484, 443802, 490518, 517769, 548226, 665703, 887604, 981036, 1035538, 1096452, 1331406, 1553307, 2071076, 2662812, 3106614, 4659921, 6213228, 9319842, 18639684]

約数ペア:

[(1, 18639684), (2, 9319842), (3, 6213228), (4, 4659921), (6, 3106614), (7, 2662812), (9, 2071076), (12, 1553307), (14, 1331406), (17, 1096452), (18, 1035538), (19, 981036), (21, 887604), (28, 665703), (34, 548226), (36, 517769), (38, 490518), (42, 443802), (51, 365484), (57, 327012), (63, 295868), (68, 274113), (76, 245259), (84, 221901), (102, 182742), (114, 163506), (119, 156636), (126, 147934), (133, 140148), (153, 121828), (171, 109004), (204, 91371), (228, 81753), (229, 81396), (238, 78318), (252, 73967), (266, 70074), (306, 60914), (323, 57708), (342, 54502), (357, 52212), (399, 46716), (458, 40698), (476, 39159), (532, 35037), (612, 30457), (646, 28854), (684, 27251), (687, 27132), (714, 26106), (798, 23358), (916, 20349), (969, 19236), (1071, 17404), (1197, 15572), (1292, 14427), (1374, 13566), (1428, 13053), (1596, 11679), (1603, 11628), (1938, 9618), (2061, 9044), (2142, 8702), (2261, 8244), (2394, 7786), (2748, 6783), (2907, 6412), (3206, 5814), (3876, 4809), (3893, 4788), (4122, 4522), (4284, 4351)]